1/* $NetBSD: generic_lc_all.c,v 1.7 2024/01/20 14:52:48 christos Exp $ */ 2 3/*- 4 * Copyright (c)2008 Citrus Project, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30#if defined(LIBC_SCCS) && !defined(lint) 31__RCSID("$NetBSD: generic_lc_all.c,v 1.7 2024/01/20 14:52:48 christos Exp $"); 32#endif /* LIBC_SCCS and not lint */ 33 34#include "namespace.h" 35#include <sys/types.h> 36#include <assert.h> 37#include <langinfo.h> 38#define __SETLOCALE_SOURCE__ 39#include <locale.h> 40#include <stdio.h> 41#include <stdlib.h> 42#include <string.h> 43 44#include "setlocale_local.h" 45 46/* 47 * macro required by all template headers 48 */ 49#define _PREFIX(name) __CONCAT(_generic_LC_ALL_, name) 50 51#include "generic_lc_template_decl.h" 52 53const char * 54_generic_LC_ALL_setlocale(const char * __restrict name, 55 struct _locale * __restrict locale) 56{ 57 _locale_set_t sl; 58 char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail; 59 const char *tokens[_LC_LAST], *s, *t; 60 int load_locale_success, i, j; 61 62 sl = _find_category(1); 63 _DIAGASSERT(sl != NULL); 64 load_locale_success = 0; 65 if (name != NULL) { 66 strlcpy(&head[0], name, sizeof(head)); 67 tokens[1] = &head[0]; 68 tail = __UNCONST(strchr(tokens[1], '/')); 69 if (tail == NULL) { 70 for (i = 2; i < _LC_LAST; ++i) 71 tokens[i] = tokens[1]; 72 } else { 73 *tail++ = '\0'; 74 for (i = 2; i < _LC_LAST - 1; ++i) { 75 tokens[i] = (const char *)tail; 76 tail = __UNCONST(strchr(tokens[i], '/')); 77 if (tail == NULL) 78 return NULL; 79 *tail++ = '\0'; 80 } 81 tokens[_LC_LAST - 1] = (const char *)tail; 82 tail = __UNCONST(strchr(tokens[i], '/')); 83 if (tail != NULL) 84 return NULL; 85 } 86 if ((*sl)(tokens[1], locale) != NULL) 87 load_locale_success = 1; 88 } 89 s = (*sl)(NULL, locale); 90 _DIAGASSERT(s != NULL); 91 strlcpy(&locale->query[0], s, sizeof(locale->query)); 92 for (i = 2, j = 0; i < _LC_LAST; ++i) { 93 sl = _find_category(i); 94 _DIAGASSERT(sl != NULL); 95 if (name != NULL) { 96 if ((*sl)(tokens[i], locale) != NULL) 97 load_locale_success = 1; 98 } 99 t = (*sl)(NULL, locale); 100 _DIAGASSERT(t != NULL); 101 if (j == 0) { 102 if (!strcmp(s, t)) 103 continue; 104 for (j = 2; j < i; ++j) { 105 strlcat(&locale->query[0], "/", 106 sizeof(locale->query)); 107 strlcat(&locale->query[0], s, 108 sizeof(locale->query)); 109 } 110 } 111 strlcat(&locale->query[0], "/", sizeof(locale->query)); 112 strlcat(&locale->query[0], t, sizeof(locale->query)); 113 } 114 if (name != NULL && !load_locale_success) 115 return NULL; 116 return (const char *)&locale->query[0]; 117} 118